GdipGetPathGradientGammaCorrection

// gdiplus.dll
#include <windows.h>

Status GdipGetPathGradientGammaCorrection(
    GpPathGradient* brush,
    BOOL* useGammaCorrection
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPathGradientGammaCorrection(
    brush As IntPtr,   ' GpPathGradient* in/out
    ByRef useGammaCorrection As Integer   ' BOOL* in/out
) As Integer
End Function

' brush : GpPathGradient* in/out
' useGammaCorrection : BOOL* in/out
Declare PtrSafe Function GdipGetPathGradientGammaCorrection Lib "gdiplus" ( _
    ByVal brush As LongPtr, _
    ByRef useGammaCorrection As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipGetPathGradientGammaCorrection = ctypes.windll.gdiplus.GdipGetPathGradientGammaCorrection
GdipGetPathGradientGammaCorrection.restype = ctypes.c_int
GdipGetPathGradientGammaCorrection.argtypes = [
    ctypes.c_void_p,  # brush : GpPathGradient* in/out
    ctypes.c_void_p,  # useGammaCorrection : BOOL* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetPathGradientGammaCorrection = Fiddle::Function.new(
  lib['GdipGetPathGradientGammaCorrection'],
  [
    Fiddle::TYPE_VOIDP,  # brush : GpPathGradient* in/out
    Fiddle::TYPE_VOIDP,  # useGammaCorrection : BOOL* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetPathGradientGammaCorrection(
        brush: *mut GpPathGradient,  // GpPathGradient* in/out
        useGammaCorrection: *mut i32  // BOOL* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetPathGradientGammaCorrection(IntPtr brush, ref int useGammaCorrection);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetPathGradientGammaCorrection' -Namespace Win32 -PassThru
# $api::GdipGetPathGradientGammaCorrection(brush, useGammaCorrection)

#uselib "gdiplus.dll"
#func global GdipGetPathGradientGammaCorrection "GdipGetPathGradientGammaCorrection" sptr, sptr
; GdipGetPathGradientGammaCorrection varptr(brush), useGammaCorrection   ; 戻り値は stat
; brush : GpPathGradient* in/out -> "sptr"
; useGammaCorrection : BOOL* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "gdiplus.dll"
#cfunc global GdipGetPathGradientGammaCorrection "GdipGetPathGradientGammaCorrection" var, int
; res = GdipGetPathGradientGammaCorrection(brush, useGammaCorrection)
; brush : GpPathGradient* in/out -> "var"
; useGammaCorrection : BOOL* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; Status GdipGetPathGradientGammaCorrection(GpPathGradient* brush, BOOL* useGammaCorrection)
#uselib "gdiplus.dll"
#cfunc global GdipGetPathGradientGammaCorrection "GdipGetPathGradientGammaCorrection" var, int
; res = GdipGetPathGradientGammaCorrection(brush, useGammaCorrection)
; brush : GpPathGradient* in/out -> "var"
; useGammaCorrection : BOOL* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipGetPathGradientGammaCorrection = gdiplus.NewProc("GdipGetPathGradientGammaCorrection")
)

// brush (GpPathGradient* in/out), useGammaCorrection (BOOL* in/out)
r1, _, err := procGdipGetPathGradientGammaCorrection.Call(
	uintptr(brush),
	uintptr(useGammaCorrection),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetPathGradientGammaCorrection(
  brush: Pointer;   // GpPathGradient* in/out
  useGammaCorrection: Pointer   // BOOL* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetPathGradientGammaCorrection';

result := DllCall("gdiplus\GdipGetPathGradientGammaCorrection"
    , "Ptr", brush   ; GpPathGradient* in/out
    , "Ptr", useGammaCorrection   ; BOOL* in/out
    , "Int")   ; return: Status

●GdipGetPathGradientGammaCorrection(brush, useGammaCorrection) = DLL("gdiplus.dll", "int GdipGetPathGradientGammaCorrection(void*, void*)")
# 呼び出し: GdipGetPathGradientGammaCorrection(brush, useGammaCorrection)
# brush : GpPathGradient* in/out -> "void*"
# useGammaCorrection : BOOL* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。